TuningBot DTC Database · v4.37.14
4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
HondaThe control module detected improper operation of the Clutch Pressure Control Solenoid Valve 'C' circuit. This is the manufacturer-specific definition used by Honda.
JaguarThe control module detected improper operation of the Transmission Reverse IP circuit. This is the manufacturer-specific definition used by Jaguar.
NissanThe control module detected improper operation of the CVT step motor - mechanical. This is the manufacturer-specific definition used by Nissan.
Step motor
VAGThe control module detected an electrical fault in the Solenoid EV7 circuit. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (4 interpretations). The control module detected improper operation of the Clutch Pressure Control Solenoid Valve 'C' circuit. This is the manufacturer-specific definition used by Honda.
P1778 is a manufacturer-specific code. In this database it is documented for: Honda, Jaguar, Nissan, VAG. The same number can mean something different on other brands.
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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